30results about How to "Increase vertical viewing angle" patented technology

A 2D / 3D image switching type liquid crystal display is described. The 2D / 3D image switching type liquid crystal display includes a liquid crystal display (LCD), a film-type patterned retarder (FPR) and a liquid crystal barrier layer. When either the FPR is disposed between the LCD panel and the liquid crystal barrier layer or liquid crystal barrier layer is disposed between the LCD panel and the backlight module, an electrical field controls the first grating regions and the second grating regions to form a bright region and a dark region for adjusting the left-hand circularly polarized light and the right-hand circularly polarized light from the FPR to switch 2D / 3D image by switching the liquid crystal barrier layer.

The invention discloses a passive polarizing type three-dimensional (3D) display device using a pattern phase difference diaphragm. The passive polarizing type 3D display device comprises a back light unit, a polaroid, an array base plate, a color film base plate and the pattern phase difference diaphragm, wherein one side on the color film base plate, far away from the array base plate, is provided with a plurality of light shielding strips, and the middle position of each light shielding strip corresponds to the position of a boundary between two adjacent pattern position phase difference films on the corresponding pattern difference diaphragm. When the passive polarizing type 3D display device is adopted, the vertical visual angle of the visual angle 3D display using the pattern phase difference diaphragm can be increased. In addition, compared with other modes for improving the vertical visual angle, the passive polarizing type 3D display device can solve the problems of poor moir and low aperture opening ratio during 3D display.

The invention discloses a thin film transistor (TFT) array substrate, a liquid crystal display, a driving method thereof and a three-dimensional (3D) display system. An effective display pixel electrode and an active light blocking electrode are respectively arranged at an upper area and a lower area in each sub-pixel unit, and different grid electrode signal lines and data lines are used respectively for providing electric signals for the effective display pixel electrodes and the active light blocking electrodes. In a two-dimensional (2D) display mode, the areas where the active light blocking electrodes are located display images normally, and normal display cannot be influenced; in 3D display mode, the areas where the active light blocking electrodes are located form dark fields, and crosstalk light between adjacent pixels in the vertical direction can be reduced so as to improve a vertical visual angle of 3D display. In the 3D display mode, public electrode signals are exerted on the active light blocking electrodes, no voltage difference between the active light blocking electrodes and public electrodes is guaranteed when a TFT switch connected with the active light blocking electrodes leaks electricity, the phenomenon that brightening occur at the areas where the active light blocking electrodes are located is prevented, and the problem of crosstalk is avoided.

The invention relates to a three-dimensional (3D) image display device. The 3D image display device at least comprises a display panel, a patterning phase delay film and a screen layer, wherein the display panel comprises a plurality of scanning lines, a plurality of first data lines, a plurality of second data lines and a plurality of pixel units; each pixel unit comprises a main pixel, a first subpixel and a second secondary subpixel; the main pixel is coupled with the first scanning line of the plurality of scanning lines and the first data line of the plurality of first data lines through a first thin film transistor; the first subpixel and the second subpixel are coupled with the second scanning line of the plurality of scanning lines and the second data line of the plurality of second data lines through a second thin film transistor; and the patterning phase delay film is arranged between the display panel and polaroid glasses and is used for receiving rays passing through the display panel, so that the rays form mutually vertical linear polarization light.

The invention provides a display panel and a three dimensional (3D) display device. The display panel comprises a fist base plate and a second base plate which are oppositely arranged. The first base plate comprises a plurality of data lines, a plurality of scanning lines and a plurality of pixel units, wherein each of the pixel units comprises three sub-pixel units which are sequentially and electrically connected to a same data line, each of the sub-pixel units is electrically connected to one scanning line, and at least one scanning line which one sub-pixel unit corresponds to is side by side arranged with one scanning line which a first sub-pixel unit of the next pixel unit corresponds to. The second base plate comprises first black matrices which are arranged by corresponding to the scanning lines. According to the display panel and the three dimensional (3D) display device, the scanning lines among a plurality of sub-pixel units are side by side arranged so that the width of one black matrix between each two adjacent pixel units is increased, the vertical angle of view is increased, and the aperture opening ratio is not reduced.

The present invention proposes a digital holographic display apparatus including a light generating unit configured to generate coherent light, a spatial light modulator configured to reproduce 3-dimensional hologram images on a space by modulating the coherent light, a vertical viewing angle magnifying unit configured to expand a vertical viewing angle by vertically steering a beam that forms the hologram images through a first mirror, a horizontal viewing angle magnifying unit configured to expand a horizontal viewing angle by steering the beam to top of a table through a second mirror, and a control unit configured to control the special light modulator, the vertical viewing angle magnifying unit and the horizontal viewing angle magnifying unit in order the hologram images to be formed on an observation space for hologram. Accordingly, by expanding the horizontal and vertical viewing angles of hologram images, an observer may observe the hologram images more comfortably.

The embodiment of the invention provides a passive polarizing type three-dimensional display device and a manufacturing method thereof. One side, facing a first polarizing sheet, of an array substrate is provided with shielding strips, one side, facing the array substrate, of a color film substrate is provided with a plurality of black matrix strips, and the orthographic projection of the shielding strips and the black matrix strips covers the boundary line of each pattern phase differential membrane in a phase difference structure. The passive polarizing type three-dimensional display device has the advantage that by utilizing the shielding function of the shielding strips and the black matrix strips, while the opening rate is ensured, the visual angle without optical inference between the adjacent pixels is increased, and the vertical visual angle of the passive polarizing type three-dimensional display device is further increased.

The invention provides a three-dimensional display device and a drive method thereof. The three-dimensional display device comprises a plurality of pixel units arranged in a matrix mode, a gate driver and a source driver. A constant drive voltage is provided by the source driver to enable a fourth sub-pixel area to maintain a display of a dark state during the scanning process of the fourth sub-pixel area. By means of the method, the width of a black matrix is equivalently increased, and the vertical angle of view of the three-dimensional display device is increased under the condition that the aperture opening ratio is not reduced.

A stereoscopic image display according to an embodiment includes: a main display section including a first liquid crystal cell connected to a data line through a first switch TFT and connected to a common line supplied with a common voltage and a first storage capacitor; and an auxiliary display section including a second liquid crystal cell connected to the data line through a second switch TFT and connected to the common line through a discharge control TFT and a second storage capacitor.

The invention provides a large-view-angle aerial imaging apparatus, comprising a plane symmetric imaging optical board, a reflector and a plurality of objects; the objects are arranged on one side ofthe plane symmetric imaging optical board, and the objects and the reflector are positioned on two sides of the plane symmetric imaging optical board. The plane symmetric imaging optical board, the objects and the reflector are arranged to superpose images of the objects. The imaging position is provided with a matt face, scattered light below the plane symmetric imaging optical board can be gathered to a matte area by the plane symmetric imaging optical board for the purpose of scattering, and the horizontal view angle and vertical view angle can be further widened.

The invention relates to a stereoscopic image display system, which is characterized in that a liquid crystal display panel comprises a plurality of first pixel rows and a plurality of second pixel rows, wherein within a frame period, first pixel rows input corresponding first gray scale voltage to display a corresponding first image, the second pixel rows input a first black image voltage to display a first black image; and within the next frame period, the second pixel rows input corresponding second gray voltage to display a corresponding second image and the first pixel rows input second black image voltage to display a second black image. A phase retardation film comprises first phase retardation areas corresponding to the first pixel rows and second phase retardation areas corresponding to the second pixel rows. Through corresponding configuration of frame periods and inserting black lines of pixels, the problem of image information crosstalk is solved.

Embodiments of the invention relate to a stereoscopic image display device using a pattern retarder method, which offers an increased vertical viewing angle and a method for fabricating the same. The stereoscopic image display device comprises: a display panel including data lines, gate lines crossing the data lines, and a plurality of pixels formed in cell areas defined by the crossings of the data lines and the gate lines; and a pattern retarder including a first retarder for passing only left circularly polarized light therethrough and a second retarder for passing only right circularly polarized light therethrough, wherein a plurality of air holes are formed in a first plane of a first substrate of the display panel, and the long axis direction of the air holes is the same as the long axis direction of the first retarder and the second retarder.

The invention belongs to the field of panoramic splicing, and provides a 360-degree splicing panoramic camera with a wide field of view in the vertical direction, including several identical vertically arranged image sensors, and the models, quantities and relative positions of the sensors are aligned according to the panoramic splicing application. Field size requirements are determined. The present invention also provides a calibration method and a mosaic method based on the panoramic camera, through calibration, each image is projected on the same plane; then the dynamic programming method and the gradient domain fusion method are used to complete the mosaic of the panoramic images. Since the present invention can obtain a larger vertical viewing angle in the case of a single row of sensors, it only needs to run the image stitching algorithm in the horizontal direction, which can simplify the design of the stitching algorithm and reduce the complexity of the algorithm. The splicing operations between each group of adjacent images in the present invention are independent of each other, can be executed in parallel by multi-processors, can realize real-time splicing of multi-channel videos on the FPGA, and have broad market prospects.

A three-dimensional image display device (100) comprises a display panel (102), a patterned phase retardation film (108) and a barrier layer (104). The display panel (102) comprises several scan lines (200s), several first data lines (201d), several second data lines (202d), and several pixel units (204). Each of the pixel units (204) comprises a primary pixel (204m), a first secondary pixel (204s1), and a second secondary pixel (204s2). The primary pixel (204m) is coupled to a scan line (200s) in the scan lines (200s) and a first data line (201d) in the first data lines (201d) through a first thin-film transistor (206a), and the first secondary pixel (204s1) and the second secondary pixel (204s2) are coupled to the scan line (200s) and a second data line (202d) in the second data lines (202d) through a second thin-film transistor (206b). The patterned phase retardation film (108) is disposed between the display panel (102) and polarized glasses (107), and receives light passing through the display panel (102) to change the light to linearly polarized light in vertical and horizontal directions.

The invention discloses a thin film transistor (TFT) array substrate, a liquid crystal display, a driving method thereof and a three-dimensional (3D) display system. An effective display pixel electrode and an active light blocking electrode are respectively arranged at an upper area and a lower area in each sub-pixel unit, and different grid electrode signal lines and data lines are used respectively for providing electric signals for the effective display pixel electrodes and the active light blocking electrodes. In a two-dimensional (2D) display mode, the areas where the active light blocking electrodes are located display images normally, and normal display cannot be influenced; in 3D display mode, the areas where the active light blocking electrodes are located form dark fields, and crosstalk light between adjacent pixels in the vertical direction can be reduced so as to improve a vertical visual angle of 3D display. In the 3D display mode, public electrode signals are exerted on the active light blocking electrodes, no voltage difference between the active light blocking electrodes and public electrodes is guaranteed when a TFT switch connected with the active light blocking electrodes leaks electricity, the phenomenon that brightening occur at the areas where the active light blocking electrodes are located is prevented, and the problem of crosstalk is avoided.

The invention puts forward a method for integrated imaging 3D display with adjustable viewing parameters. The method is characterized in that: a system on which the method is based comprises a displayscreen I and a display screen II; wherein the display screen I is used for displaying a variable point light source array, the display screen II is used for displaying a micro-image array; the widthof variable point light sources can be changed according to needs of viewers, the width of the variable point light sources can be increased to raise brightness, and the width of the variable point light sources also can be decreased to enlarge horizontal and vertical viewing angles, thereby adjusting a viewing angle and the brightness of the integrated imaging 3D display.

A method of fabricating a retardation film and a retardation film is provided. In the method, a primary transparent substrate is provided, and a liquid crystal aligning layer is formed over the primary transparent substrate, in which the liquid crystal aligning layer includes a first liquid crystal alignment region and a second liquid crystal alignment region interlacing with each other. A plurality of opacifier stripes are printed on a secondly transparent substrate, which the opacifier stripes are aligned with the interface between the first and second liquid crystal alignment regions. An adhesive layer is coated over the surface of the secondly transparent substrate and surfaces of the opacifier stripes. Further, the adhesive layer is bonded to the liquid crystal aligning layer, and then the liquid crystal aligning layer is separated from the primary transparent substrate.

The optical laminate includes a surface protection film; a transparent support; an optically anisotropic layer; an adhesive layer; and a release film in this order, and the optically anisotropic layer is a patterned optically anisotropic layer which includes a first phase difference region and a second phase difference region differing from each other in terms of the direction of an in-plane slow axis and in which the first and second phase difference regions are alternately disposed within a plane of the optically anisotropic layer, the transparent support contains a polymer material and has a thickness of 10 μm to 59 μm, and a Δ moisture content falls within a predetermined range. The optical laminate can be stuck on a display apparatus with high accuracy and can improve a vertical viewing angle of the display apparatus after being stuck on the display apparatus.

The invention provides a display device and an image display method. The display device comprises a display, a patterning phase difference film and an electrochromic element, wherein the display is provided with a plurality of pixel areas; the patterning phase difference film is provided with a plurality of left eye image polarization areas and a plurality of right eye image polarization areas which respectively correspond to the pixel areas; and the electrochromic element is positioned on the outer side or the inner side of a base plate of the display and is provided with an electrochromic area, wherein the electrochromic area corresponds to the juncture of the left eye image polarization areas and the right eye image polarization areas. The display device and the image display method have the advantage that a vertical angle of view can be increased under the situation that the width of the electrochromic area is not increased, and further have the advantages of light weight, flexibility and the like.

A polarization-type three-dimensional display device and a manufacturing method thereof are provided. The polarization-type three-dimensional display device comprises a liquid crystal panel, which comprises an array substrate and a color filter substrate disposed opposite to each other, the color filter substrate including a plurality of black matrix strips disposed on a side of it facing the array substrate; and a liquid crystal layer, located between the array substrate and the color filter substrate; a phase difference structure, located on a light-exiting side of the liquid crystal panel, wherein a plurality of patterned phase difference diaphragms are arranged on the phase difference structure; a plurality of light-shielding strips, disposed on a side of the array substrate far away from the liquid crystal layer, wherein, orthographic projections of the plurality of light-shielding strips on the phase difference structure cover boundary lines of the patterned phase difference diaphragms on the phase difference structure, and orthographic projections of the plurality of black matrix strips on the phase difference structure cover boundary lines of the patterned phase difference diaphragms on the phase difference structure. With the polarization-type three-dimensional display device and manufacturing method thereof, the vertical viewing angle of the polarization-type three-dimensional display device can be increased while the aperture ratio is guaranteed.

The invention discloses a projection screen and a projection system. The projection screen comprises a reflection layer and a light absorption layer which is used for absorbing light, wherein the reflection layer and the light absorption layer are sequentially arranged from the incident side of projection light; the reflection layer comprises a plurality of microstructure units; each microstructure unit comprises a first plane, a second plane, a third plane and a fourth plane, wherein the first plane and second plane face each other obliquely in a first direction, and the third plane and the fourth plane face each other obliquely in a second direction; the inclination angles of the first plane and the second plane relative to the screen plane of a projection screen are set such that at least a portion of projection light entering at a first angle of incidence within a first angle range is reflected at the first plane and second plane, and finally, enters the view field range of a viewer; and the inclination angles of the third plane and the fourth plane with respect to the screen plane of the projection screen are set such that at least a portion of the projection light entering ata second angle of incidence within a second angle range is reflected at the third plane and fourth plane and finally enters the viewer's field of view range; and the first angle of incidence is smaller than the second angle of incidence.

The present invention provides a display panel and a 3D display device. The display panel comprises: a first substrate and a second substrate opposite to each other, the first substrate comprising multiple data lines, multiple scan lines, and multiple pixel units. Each pixel unit comprises three sub-pixel units electrically connected to the same data line in sequence, each sub-pixel unit is connected to a scan line, and the scan line corresponding to at least one sub-pixel unit is parallel to the scan line corresponding to a first sub-pixel unit of a next pixel unit. The second substrate comprises a first black matrix disposed correspondingly to the scan line. In the present invention, the scan lines between multiple sub-pixel units are disposed in parallel, so as to increase the width the first black matrix between adjacent pixel units, thereby achieving the objective of increasing the vertical viewing angle without decreasing the aperture ratio.

The invention puts forward a method for wide-viewing-angle integrated imaging double vision 3D display based on variable point light sources. The method is characterized in that: a system on which themethod is based comprises a display screen I and a display screen II; wherein the display screen I is used for displaying a variable point light source array, the display screen II is used for displaying a micro-image array; the display screen II is arranged in front of the display screen I in a parallel way; the center of the display screen I is correspondingly aligned to the center of the display screen II; the width of the variable point light sources can be changed according to needs of viewers, so as to adjust viewing angles and brightness of each viewing area of integrated imaging double vision 3D display.